Inventor · disambiguated record
Johann Siebels
Also filed as: SIEBELS JOHANN
9 granted patents·249 citations·filing 1975–1998
90Inventor score
Top patents by PatentIndex Score
9 records- 0184US5997077ADeformable structure for protection of vehicle occupantsVOLKSWAGEN AG·Filed 1998·Granted Dec 7, 1999·74 cites·10 claims
- 0283US4277539ARefractory articles and composite metal-ceramic articles (cermets) prepared from a silicate-containing aluminum titanateROSENTHAL TECHNIK AG·Filed 1980·Granted Jul 7, 1981·42 cites·6 claims
- 0379US4214906AMethod of producing an article which comprises a first zone of a nonoxide ceramic material and a second zone of a softer materialVOLKSWAGENWERK AG·Filed 1975·Granted Jul 29, 1980·26 cites·16 claims
- 0475US4148120AMethod of manufacturing a catalyst for catalytic purification of exhaust gasesVOLKSWAGENWERK AG·Filed 1977·Granted Apr 10, 1979·24 cites·1 claims
- 0567US4264660AThermally insulated composite articleVOLKSWAGENWERK AG·Filed 1976·Granted Apr 28, 1981·21 cites·5 claims
- 0666US4335998ACeramic-metal assemblyVOLKSWAGENWERK AG·Filed 1979·Granted Jun 22, 1982·19 cites·7 claims
- 0765US4144195AHigh temperature resistant, heat insulating ceramic materialVOLKSWAGENWERK AG·Filed 1977·Granted Mar 13, 1979·16 cites·8 claims
- 0862US4070158ACatalyst for catalytic purification of exhaust gasesVOLKSWAGENWERK AG·Filed 1975·Granted Jan 24, 1978·15 cites·1 claims
- 0952US4362471AArticle, such as a turbine rotor and blade which comprises a first zone of a nonoxide ceramic material and a second zone of a softer materialVOLKSWAGENWERK AG·Filed 1980·Granted Dec 7, 1982·12 cites·14 claims
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